A Palestinians child stands inside the home of Hamza Abu el-Heija, where he was killed by Israeli troops, in the West Bank refugee camp of Jenin, Saturday, March 22, 2014. Israeli troops killed at least four Palestinians in an early morning raid that was followed by a clash with angry protesters in a West Bank town on Saturday, the Israeli military and Palestinian security officials said, in the deadliest incident in months. The Israeli raid, which the military said aimed to arrest Hamza Abu el-Heija, a 22-year-old Hamas operative wanted for involvement in shooting and bombing attacks against Israelis. (AP Photo/Mohammed Ballas)

Elizabeth Patten, left, holds up the first marriage ticket to marry her partner Johnnie Terry in front of the Washtenaw County Clerks office in Ann Arbor, Mich., on Saturday, March 22, 2014. A federal judge has struck down Michigan's ban on gay marriage Friday the latest in a series of decisions overturning similar laws across the U.S. Some counties plan to issue marriage licenses to same-sex couples Saturday, less than 24 hours after a judge overturned Michigan's ban on gay marriage. (AP Photo/The Ann Arbor News, Patrick Record)

Photo: Patrick Record, Associated Press

Elizabeth Patten, left, holds up the first marriage ticket to marry...

A girl plays with soap bubbles during a flash mob near the Pantheon on March 22, 2014 in Rome. TOPSHOTS/AFP PHOTO/TIZIANA FABITIZIANA FABI/AFP/Getty Images

Photo: Tiziana Fabi, AFP/Getty Images

A girl plays with soap bubbles during a flash mob near the Pantheon...

A girl plays with soap bubbles during a flash mob near the Pantheon... Photo-6059661.82475 - SFGate

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Ukrainian airmen dance as they celebrate their comrade's wedding at the Belbek airbase outside Sevastopol, Crimea, on Saturday, March 22, 2014. Two young Lieutenants, medic Galina Volosyanchik and communication officer Ivan Benera got married today and arrived to their unit for a short celebration as Russian troops continue to occupy part of the airbase and demand surrender of Ukrainian airmen. (AP Photo/Ivan Sekretarev)

Photo: Ivan Sekretarev, Associated Press

Ukrainian airmen dance as they celebrate their comrade's wedding at...

Carolina Hurricanes' Patrick Dwyer (39) leaps over Winnipeg Jets' Matt Halischuk (15) during the second period of an NHL hockey game, Saturday, March 22, 2014, in Winnipeg, Manitoba. (AP Photo/The Canadian Press, John Woods)

A cotton candy vendor stands next to a mural of Venezuela's late President Hugo Chavez as she watches a gathering between President Nicolas Maduro and students in Caracas, Venezuela, Saturday, March 22, 2014. Two more people were reported dead in Venezuela as a result of anti-government protests even as supporters and opponents of Maduro took to the streets on Saturday in new shows of force. (AP Photo/Esteban Felix)

Photo: Esteban Felix, Associated Press

A cotton candy vendor stands next to a mural of Venezuela's late...

A cotton candy vendor stands next to a mural of Venezuela's... Photo-6059667.82475 - SFGate

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Water rains down on a group of demonstrators, released by residents of surrounding buildings to cool off the marchers, during a massive demonstration of more than 30 activist groups pressing newly installed President Michelle Bachelet to follow through with her campaign promises, in Santiago, Chile, Saturday, March 22, 2014. (AP Photo / Luis Hidalgo)

Photo: Luis Hidalgo, Associated Press

Water rains down on a group of demonstrators, released by residents...

Water rains down on a group of demonstrators, released by residents... Photo-6059663.82475 - SFGate

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An anti-government protester walks near a burst of lights caused by a fire cracker launched by protesters at Bolivarian National Policemen during clashes in Caracas, Venezuela, Saturday, March 22, 2014. Two more people were reported dead in Venezuela as a result of anti-government protests even as supporters and opponents of President Nicolas Maduro took to the streets on Saturday in new shows of force. (AP Photo/Esteban Felix)

Photo: Esteban Felix, Associated Press

An anti-government protester walks near a burst of lights caused by...

SYDNEY, AUSTRALIA - MARCH 22: Wade Miley of the Diamondbacks pitches the first ball to Yasiel Puig of the Dodgers during the opening match of the MLB season between the Los Angeles Dodgers and the Arizona Diamondbacks at Sydney Cricket Ground on March 22, 2014 in Sydney, Australia. (Photo by Cameron Spencer/Getty Images) *** BESTPIX ***

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A municipal employee prepares a polling station on March 22, 2014 in Lyon, on the eve of the 2014 French municipal election first round. AFP PHOTO / JEFF PACHOUDJEFF PACHOUD/AFP/Getty Images

Photo: Jeff Pachoud, AFP/Getty Images

TOPSHOTS
A municipal employee prepares a polling station on March...

TOPSHOTS
A municipal employee prepares a polling station on March... Photo-6059672.82475 - SFGate

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A costume player, or cosplayer, with cardboard-made robot costume walks around with his belonging during AnimeJapan 2014 anime festival in Tokyo, Saturday, March 22, 2014. Cosplay, or "costume play," is a growing art form in which fans create detailed costumes to accurately represent their favorite characters in pop culture. (AP Photo/Eugene Hoshiko)

Investigators look at the wreckage of a small passenger plane which crashed early Saturday, March 22, 2014 in Clearwater, Fla. One person is dead after a small plane en route to Florida from Chicago crashed near Tampa. Authorities say the single-engine plane crashed at about 4 a.m. Saturday in Clearwater. According to the Clearwater Police Department, the aircraft came to a rest on the median of a six-lane street. Firefighters responded and extinguished several small fires from debris on the road. Fifty-three-year-old Jeffrey Bronken was killed in the crash. Fifteen-year-olds Katherine Bronken and Keyana Linbo were injured and taken to St. Joseph's Hospital in Tampa for treatment. All three are from Round Lake, Ill., about 50 miles north of Chicago. (AP Photo/The Tampa Tribune, Chris Urso) ST. PETERSBURG OUT; LAKELAND OUT; BRADENTON OUT; MAGS OUT; LOCAL TV OUT; WTSP CH 10 OUT; WFTS CH 28 OUT; WTVT CH 13 OUT; BAYNEWS 9 OUT; THE TAMPA BAY TIMES OUT; LAKELAND LEDGER OUT; BRADENTON HERALD OUT; SARASOTA HERALD-TRIBUNE OUT; WINTER HAVEN NEWS CHIEF OUT (REV-SHARE) (ONLN OUT; IONLN OUT - MBI)

Photo: Chris Urso, Associated Press

Investigators look at the wreckage of a small passenger plane which...

Investigators look at the wreckage of a small passenger plane which... Photo-6059670.82475 - SFGate

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A fatal mudslide brought debris down the Stillaguamish River near Oso, Wash., Saturday, March 22, 2014, stopping the flow of the river and destroying several homes. (AP Photo/The Herald, Genna Martin)

Photo: Genna Martin, Associated Press

A fatal mudslide brought debris down the Stillaguamish River near...

A fatal mudslide brought debris down the Stillaguamish River near... Photo-6059501.82475 - SFGate

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SMITHVILLE, TX - MARCH 22: Runners participate in Warrior Dash, World's Largest Obstacle Race Series on March 22, 2014 in Smithville, Texas. (Photo by Rick Kern/Getty Images for Warrior Dash)

Judge Eugene Blake, of Tulsa, Okla., gets nose-to-nose with a French bulldog at the Peninsula Dog Fanciers Club Dog Show in the Kitsap Sun Pavilion on Saturday, March 22, 2014, in Bremerton, Wash. (AP Photo/Kitsap Sun, Larry Steagall)

A controlled fire burns in a Flint Hills pasture near Council Grove, Kan., Saturday, March 22, 2014. The tallgrass prairie is most known for it's grazing excellence. Ranchers burn the old grass to promote quick new growth and improve nutrient values of the pasture. (AP Photo/Orlin Wagner)